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India's Space and Defence Sectors See Key Advancements: ISRO Engine Milestone and DRDO-France Collaboration

November 21, 2025

India has marked significant progress in its science and technology landscape over the past 24 hours, with the Indian Space Research Organisation (ISRO) achieving a crucial milestone in cryogenic engine technology and the Defence Research and Development Organisation (DRDO) forging a strategic research and development partnership with France. ISRO successfully demonstrated a "boot-strap mode" start for its CE20 cryogenic engine, enhancing the flexibility of future LVM-3 missions, including human spaceflight. Concurrently, DRDO signed a technical agreement with France's Directorate General of Armaments (DGA) to boost collaboration in various advanced defence technologies.

Question 1 of 10

1. ISRO successfully demonstrated the "boot-strap mode" start for which cryogenic engine?

A) CE-7.5 B) CE20 C) C25 D) CE-100

ALL TN Comp Exams Prep

India's Space and Defence Sectors See Key Advancements: ISRO Engine Milestone and DRDO-France Collaboration

Your Score: 0 / 0

1. ISRO successfully demonstrated the "boot-strap mode" start for which cryogenic engine?

2. The CE20 cryogenic engine powers the upper stage of which of India's heaviest launch vehicles?

3. What is a key advantage of the "boot-strap mode" demonstrated for ISRO's CE20 cryogenic engine?

4. For which ambitious Indian human spaceflight mission is the CE20 engine also qualified?

5. The "boot-strap mode" test for the CE20 engine was conducted under vacuum conditions at which ISRO facility?

6. Which two organizations signed a technical agreement on November 20, 2025, to deepen collaboration in defence research and development?

7. The strategic partnership between DRDO and France's DGA primarily aims to deepen collaboration in which area?

8. All of the following are identified as key sectors for cooperation between DRDO and DGA, EXCEPT:

9. According to ISRO, the successful demonstration of the "boot-strap mode" for the CE20 engine marks a potential world-first for which type of cryogenic engine cycle?

10. The technical agreement between DRDO and DGA provides a formal framework for all of the following EXCEPT:

India's Space and Defence Sectors See Key Advancements: ISRO Engine Milestone and DRDO-France Collaboration

Your Score: 0 / 0

1. ISRO successfully demonstrated the "boot-strap mode" start for which cryogenic engine?

2. The CE20 cryogenic engine powers the upper stage of which of India's heaviest launch vehicles?

3. What is a key advantage of the "boot-strap mode" demonstrated for ISRO's CE20 cryogenic engine?

4. For which ambitious Indian human spaceflight mission is the CE20 engine also qualified?

5. The "boot-strap mode" test for the CE20 engine was conducted under vacuum conditions at which ISRO facility?

6. Which two organizations signed a technical agreement on November 20, 2025, to deepen collaboration in defence research and development?

7. The strategic partnership between DRDO and France's DGA primarily aims to deepen collaboration in which area?

8. All of the following are identified as key sectors for cooperation between DRDO and DGA, EXCEPT:

9. According to ISRO, the successful demonstration of the "boot-strap mode" for the CE20 engine marks a potential world-first for which type of cryogenic engine cycle?

10. The technical agreement between DRDO and DGA provides a formal framework for all of the following EXCEPT:

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